處理耗時任務
兩個同步搞定
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一般處理數據花費時間較長，但是最后刷新ui在主線程 處理代碼如下：
dispatch_sync(dispatch_get_global_queue(0, 0), ^{ NSArray * array = @[ @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"如果再看到關于純代碼,xib或storyboard,使用哪種方式進行UI布局更合適的討論,請推薦他們先試用下 Masonry. Masonry,像xib一樣快速,同時擁有作為純代碼方式的靈活性 — github關注度 7800 + 是有原因的!"}, @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"無論如何,你總是需要一個提示框."}, @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"SVProgressHUD是簡單易用的顯示器,用于指示一個持續進行的任務的進度."}, @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"RestKit 是一個用于更好支持RESTful風格服務器接口的iOS庫,可直接將聯網獲取的json/xml數據轉換為iOS對象."}, @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"FMDB 是SQLite的Objective-C封裝庫."}, @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"Pop 是一個可擴展的動畫引擎,可用于實現任意iOS對象的任意屬性的動態變化,支持一般動畫,彈性動畫和漸變動畫三種類型."}, @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"高度可定制的應用歡迎頁通用解決方案,可高度定制,不要僅限于現有的demo"}, @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"JVFloatLabeledTextField 是注重用戶體驗的”浮動標簽模式”(Float Label Patter)的第一個實現,可以有效解決移動設備上進行表單輸入時,無法邊看表單提示邊進行輸入的困境,用戶體驗非常好."}, @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"用于為應用添加常用的上拉加載更多與下拉刷新效果,適用 UIScrollView、UITableView、UICollectionView、UIWebView."}, @{@"img": @"https://camo.githubusercontent.com/be57d040ec0ce5d6467fb73564c6bcb6c76d5a7b/687474703a2f2f6472696262626c652e73332e616d617a6f6e6177732e636f6d2f75736572732f363431302f73637265656e73686f74732f313235343433392f666f726d2d616e696d6174696f6e2d5f6769665f2e676966", @"intro": @"iOS-blur使用一種巧妙的方式,為任意視圖添加一種非常奇妙的模糊效果."} ]; [array enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { LPModel * model = [LPModel new]; model.imgUrl = @"https://raw.githubusercontent.com/ealeksandrov/EAIntroView/master/Screenshot02.png"; model.content = [obj objectForKey:@"intro"]; [self.dataList addObject:model]; }]; dispatch_async(dispatch_get_main_queue(), ^{ [self.tableView reloadData]; }); });
